Ton-tongue toffies and other tongue twisters

[rosie743]

No: HPFGUIDX 157155

Potioncat <willsonkmom at ...> wrote:
> There's a line in the MTMNBN that puts me in stiches every
> time I watch. Lockhart says it and I don't have the vaguest
> idea of 'what' he's saying, but it's a rapid-fire mouthful
> of words that is delivered beautifully. Something to do with
> Pixies. I don't even know if the line is in the book.
> <snip>

rosie743:
Peski pixi pesternomi....?

Its the spell he tries to use to handle the cornish pixies he let
loose in class.

Forgive me, what does MTMNBN stand for???